Ammonium bicarbonate carbonization device
By designing the tower water inlet and temperature/pressure monitoring port in the ammonium bicarbonate carbonation device, the problems of difficulty in agglomeration and reaction control of the inner wall of the tower are solved, and the cleaning and reaction efficiency of the ammonium bicarbonate carbonation device are improved.
Patent Information
- Application Number
- CN202420752836.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing ammonium bicarbonate carbonation device is inconvenient to clean after production, resulting in agglomeration of the inner wall of the tower. Due to the reaction of ammonia water and CO2 exothermic heat, it is difficult to control the temperature and pressure in the tower, which affects the reaction efficiency.
An ammonium bicarbonate carbonation device was designed, including a bottom tower and a top tower. The top tower was equipped with a tower water inlet, a temperature transmitting port and a pressure transmitting port to facilitate cleaning and controlling temperature and pressure in the tower, ensuring ammonia and CO2 The reaction is at its best.
This device facilitates cleaning of the tower body, avoids agglomeration, and can effectively control the temperature and pressure in the tower, and improves the reaction efficiency of ammonia and CO2.
Smart Images
Figure CN222152050U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ammonium bicarbonate, in particular to an ammonium bicarbonate carbonization device. Background Art
[0002] Ammonium bicarbonate is a white compound in the form of granular, plate-like or columnar crystals with an ammonia smell and is widely used in various fields. In the production of ammonium carbonate, ammonia water and CO2 gas are reacted in a carbonization tower at a certain temperature to produce ammonium carbonate. The ammonium carbonate suspension generated at the bottom of the carbonization tower is discharged to a centrifuge for centrifugal production of ammonium carbonate, and the centrifugal mother liquor is returned to the carbonization tower for recovery.
[0003] The existing ammonium bicarbonate carbonization device is inconvenient to clean the inside of the tower after production is completed, resulting in caking of the inner wall of the tower. In addition, since the reaction of ammonia water and CO2 releases heat, it is inconvenient to control the temperature and pressure in the tower, resulting in difficulty in achieving the optimal state of the reaction of ammonia water and CO2. Utility Model Content
[0004] The purpose of the utility model is to provide an ammonium bicarbonate carbonization device to solve the problem that the current ammonium bicarbonate carbonization device proposed in the above background technology is that after production is completed, it is inconvenient to clean the inside of the tower, resulting in caking of the inner wall of the tower, and because the reaction of ammonia water and CO2 releases heat, it is inconvenient to control the temperature and pressure in the tower, resulting in difficulty in achieving the optimal state of the reaction of ammonia water and CO2.
[0005] To achieve the above object, the utility model provides the following technical solution: an ammonium bicarbonate carbonization device, comprising:
[0006] A bottom tower, wherein an inspection hole is opened in the middle of the bottom tower, and an exhaust pipe is connected to the top of the bottom tower;
[0007] A top tower, wherein the top tower is arranged at the top of the bottom tower, and a vent is provided at the top of the top tower, a tower washing water inlet one is provided on the left side of the top of the top tower, and a liquid inlet is provided below the tower washing water inlet one, an upper circulation return port is provided at the top of the top tower, and a tower washing water inlet two is provided below the upper circulation return port, and a lower circulation return port is provided below the tower washing water inlet two, an upper circulation extraction port is provided below the liquid inlet, and a carbon dioxide inlet two is provided below the upper circulation extraction port, a lower circulation extraction port is provided at the bottom right side of the top tower, and a carbon dioxide inlet one is provided above the lower circulation extraction port, a tower plate is provided inside the top tower, and a liquid outlet pipe is connected to the bottom of the top tower.
[0008] Preferably, the bottom of the bottom tower is provided with foundation rings and reinforcement ribs at equal angles, and the foundation rings and reinforcement ribs are staggered.
[0009] Preferably, the bottom of the top tower is an arc-shaped structure, and the bottom of the liquid outlet pipe below the top tower is penetrated and arranged on the outside of the bottom tower.
[0010] Preferably, manholes are provided at the upper and lower ends of the top tower, and tower plates are arranged at equal intervals inside the top tower, and spare openings are symmetrically arranged at the bottom of the top tower, and lifting ears are correspondingly arranged on the left and right sides of the top of the top tower.
[0011] Preferably, the outer side of the top tower is provided with temperature transmitting ports and pressure transmitting ports at equal intervals, and the temperature transmitting ports and the pressure transmitting ports are arranged alternately, and the temperature transmitting ports are arranged obliquely.
[0012] Preferably, the inner ends of the tower washing water inlet 1 and the tower washing water inlet 2 are both connected to a spray pipe, and a baffle is arranged below the inner end of the tower washing water inlet 1, and the baffle is arranged corresponding to the liquid inlet.
[0013] Preferably, liquid blocking plates are provided at corresponding positions of the upper circulation extraction outlet and the lower circulation extraction outlet, and liquid level gauge ports are provided above and below the liquid blocking plates correspondingly.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the ammonium bicarbonate carbonization device is convenient for cleaning the tower body, avoiding agglomeration in the tower, and convenient for controlling the temperature and pressure in the tower, so that the reaction of ammonia water and CO2 reaches the optimal state;
[0015] 1. The tower washing water inlet 1 and the tower washing water inlet 2 are set. The tower washing water inlet 1 and the tower washing water inlet 2 are respectively set at the top and the middle of the exhaust pipe, which is convenient for cleaning the exhaust pipe in sections to avoid agglomeration in the tower;
[0016] 2. Temperature transmitters and pressure transmitters are set at equal intervals on the exhaust pipe to facilitate the detection of temperature and pressure at multiple locations in the exhaust pipe, thereby controlling the reaction conditions in the exhaust pipe and facilitating the reaction of ammonia water and high-concentration CO2 to reach the optimal state. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the bottom tower of the utility model when viewed from above.
[0019] In the figure: 1. bottom tower; 2. inspection hole; 3. exhaust pipe; 4. top tower; 5. vent; 6. inlet 1 for tower washing water; 7. liquid inlet; 8. baffle; 9. upper circulation return port; 10. lower circulation return port; 11. upper circulation extraction port; 12. lower circulation extraction port; 13. carbon dioxide inlet 1; 14. carbon dioxide inlet 2; 15. spare port; 16. liquid outlet pipe; 17. temperature transmitter port; 18. pressure transmitter port; 19. manhole; 20. inlet 2 for tower washing water; 21. tower plate; 22. lifting lug; 23. liquid level gauge port; 24. liquid blocking plate. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-2 The utility model provides a technical solution: an ammonium bicarbonate carbonization device, comprising: a bottom tower 1, an inspection hole 2, an exhaust pipe 3, a top tower 4, a venting port 5, a tower washing water inlet 1 6, a liquid inlet 7, a baffle 8, an upper circulation return port 9, a lower circulation return port 10, an upper circulation extraction port 11, a lower circulation extraction port 12, a carbon dioxide inlet 1 13, a carbon dioxide inlet 2 14, a spare port 15, a liquid outlet pipe 16, a temperature transmitter port 17, a pressure transmitter port 18, a manhole 19, a tower washing water inlet 2 20, a tower plate 21, a lifting lug 22, a liquid level meter port 23 and a liquid blocking plate 24;
[0022] A bottom tower 1, an inspection hole 2 is opened in the middle of the bottom tower 1, and an exhaust pipe 3 is connected to the top of the bottom tower 1;
[0023] A top tower 4 is arranged at the top of the bottom tower 1, and a vent 5 is provided at the top of the top tower 4, a tower washing water inlet 6 is provided on the left side of the top of the top tower 4, and a liquid inlet 7 is provided below the tower washing water inlet 6, an upper circulation return port 9 is provided at the top of the top tower 4, and a tower washing water inlet 20 is provided below the upper circulation return port 9, and a lower circulation return port 10 is provided below the tower washing water inlet 20, an upper circulation extraction port 11 is provided below the liquid inlet 7, and a carbon dioxide inlet 2 14 is provided below the upper circulation extraction port 11, a lower circulation extraction port 12 is provided at the bottom right side of the top tower 4, and a carbon dioxide inlet 13 is provided above the lower circulation extraction port 12, a tower plate 21 is provided inside the top tower 4, and a liquid outlet pipe 16 is connected to the bottom of the top tower 4.
[0024] like Figure 2The bottom of the middle bottom tower 1 is provided with foundation rings and reinforcement ribs at equal angles, and the foundation rings and reinforcement ribs are arranged alternately to enhance the stability of the bottom tower 1 .
[0025] like Figure 1 The bottom of the middle top tower 4 is an arc-shaped structure, and the bottom of the liquid outlet pipe 16 below the top tower 4 is set through the outside of the bottom tower 1, which is convenient for the discharge of the carbon ammonium suspension in the top tower 4. Manholes 19 are opened at the upper and lower ends of the top tower 4, and the inside of the top tower 4 is evenly spaced. The spare port 15 is symmetrically arranged at the bottom of the top tower 4, and the left and right sides of the top of the top tower 4 are correspondingly arranged with lifting ears 22, which is convenient for the use of the top tower 4. The outside of the top tower 4 is evenly spaced with a temperature transmitter 17 and a pressure transmitter 18, and the temperature transmitter 17 and the pressure transmitter 18 are symmetrically arranged. The transmitting ports 18 are staggered and the temperature transmitting port 17 is inclined, which is convenient for controlling the pressure and temperature in the top tower 4. The inner ends of the tower washing water inlet 1 6 and the tower washing water inlet 2 20 are connected with spray pipes, and a baffle 8 is arranged below the inner end of the tower washing water inlet 1 6, and the baffle 8 is arranged corresponding to the liquid inlet 7, which is convenient for cleaning in the top tower 4. The corresponding positions of the upper circulation extraction port 11 and the lower circulation extraction port 12 are provided with liquid blocking plates 24, and the lower and upper parts of the liquid blocking plates 24 are provided with liquid level gauge ports 23, which is convenient for observing the amount of liquid at the bottom of the top tower 4.
[0026] Working principle: When using the ammonium bicarbonate carbonization device, Figure 1 As shown, carbon dioxide is introduced into the top tower 4 through the carbon dioxide inlet 13 and the carbon dioxide inlet 2 14, and ammonia water is introduced into the exhaust pipe 3 through the liquid inlet 7, so that carbon dioxide and ammonia water react to generate ammonium bicarbonate. When carbon dioxide and ammonia water react, coolant is introduced into the exhaust pipe 3 through the upper circulation return port 9 and the lower circulation return port 10. The coolant is circulated and cooled through the pipeline on the tower plate 21, taking away the heat generated by the reaction of carbon dioxide and ammonia water, and finally the carbon dioxide is extracted from the upper circulation outlet 11 and the lower circulation outlet 10. 12 is discharged, and the solution of ammonium bicarbonate falls to the bottom of the exhaust pipe 3 and is collected and discharged from the liquid outlet pipe 16. When the exhaust pipe 3 is working, the temperature and pressure in the exhaust pipe 3 can be observed through the temperature transmitter 17 and the pressure transmitter 18. When the exhaust pipe 3 needs to be cleaned, clean water is introduced into the exhaust pipe 3 through the tower washing water inlet 1 6 and the tower washing water inlet 2 20 for cleaning. This is the entire working process of the ammonium bicarbonate carbonization device. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. An ammonium bicarbonate carbonization device, characterized in that: include: A bottom tower (1), wherein an inspection hole (2) is provided in the middle of the bottom tower (1), and an exhaust pipe (3) is connected to the top of the bottom tower (1); A top tower (4), the top tower (4) is arranged on the top of the bottom tower (1), and a discharge port (5) is provided at the top of the top tower (4), a tower washing water inlet (6) is provided on the left side of the top of the top tower (4), and a liquid inlet (7) is provided below the tower washing water inlet (6), an upper circulation return port (9) is provided at the top of the top tower (4), and a tower washing water inlet (20) is provided below the upper circulation return port (9), and a lower tower washing water inlet (20) is provided below the lower tower washing water inlet (20). The top tower (4) is provided with a first circulation return port (10), an upper circulation extraction port (11) is provided below the liquid inlet (7), and a second carbon dioxide inlet (14) is provided below the upper circulation extraction port (11), a lower circulation extraction port (12) is provided at the bottom right side of the top tower (4), and a first carbon dioxide inlet (13) is provided above the lower circulation extraction port (12), a tower plate (21) is provided inside the top tower (4), and a liquid outlet pipe (16) is connected to the bottom of the top tower (4).
2. An ammonium bicarbonate carbonization device according to claim 1, characterized in that: The bottom of the bottom tower (1) is provided with foundation rings and reinforcement ribs at equal angles, and the foundation rings and reinforcement ribs are arranged in a staggered manner.
3. An ammonium bicarbonate carbonization device according to claim 1, characterized in that: The bottom of the top tower (4) is in an arc-shaped structure, and the bottom of the liquid outlet pipe (16) below the top tower (4) is arranged to penetrate the outside of the bottom tower (1).
4. An ammonium bicarbonate carbonization device according to claim 1, characterized in that: Manholes (19) are provided at the upper and lower ends of the top tower (4), and tower plates (21) are arranged at equal intervals inside the top tower (4). Spare openings (15) are symmetrically arranged at the bottom of the top tower (4), and lifting ears (22) are correspondingly arranged on the left and right sides of the top of the top tower (4).
5. An ammonium bicarbonate carbonization device according to claim 1, characterized in that: The outer side of the top tower (4) is provided with temperature transmission ports (17) and pressure transmission ports (18) at equal intervals, and the temperature transmission ports (17) and the pressure transmission ports (18) are arranged alternately, and the temperature transmission ports (17) are arranged obliquely.
6. An ammonium bicarbonate carbonization device according to claim 1, characterized in that: The inner ends of the tower washing water inlet 1 (6) and the tower washing water inlet 2 (20) are both connected to a spray pipe, and a baffle (8) is arranged below the inner end of the tower washing water inlet 1 (6), and the baffle (8) is arranged corresponding to the liquid inlet (7).
7. An ammonium bicarbonate carbonization device according to claim 1, characterized in that: The upper circulation extraction outlet (11) and the lower circulation extraction outlet (12) are both provided with liquid blocking plates (24) at corresponding positions, and liquid level gauge ports (23) are provided above and below the liquid blocking plates (24) correspondingly.